| Classification | Polygonaceae: Polygonum | 
| Classification 1 | Polygonaceae: Bistorta | 
| Barcode(s) | 00057159 | 
| Type Status | Possible Isosyntype | 
| Collector | C. J. Maximowicz | 
| Country | Japan | 
| State | Kanagawa | 
| Geography | Asia: East Asia (Region): Japan: Kanagawa: Yokohama | 
| Locality | Yokohama, in altissimis jugi Hakone | 
| Date Collected | 1862 | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/c86eaebb-5922-4ee3-9be1-7cb60dd6058e | 
| Harvard University Herbaria Barcode | 00057159 | 
| Herbarium | GH | 
| Family | Polygonaceae | 
| Type Status | Possible Isosyntype | 
| Possible Isosyntype of |  Polygonum suffultum Maximowicz | 
| Verified by | Kittredge, Walter Tobey | 
| Date Determined | 2019 | 
| Determination Remarks |  [filed under] | 
| Taxon Reference | (for  Polygonum suffultum Maximowicz) Bull. Acad. Imp. Sci. Saint-Pétersbourg 1877. 22: 233. | 
| Family | Polygonaceae | 
| Determination |  Bistorta suffulta (Maximowicz) Greene ex H. Gross | 
| Determined by | Kittredge, Walter Tobey | 
| Date Determined | 2019 | 
| Determination Remarks |  [current name] | 
| Family | Polygonaceae | 
| Determination |  Polygonum suffultum Maximowicz | 
| Determined by | A.N.S. (GH) [A. N. Steward] | 
| Date Determined | 1930 | 
| Family | Polygonaceae | 
| Determination |  Polygonum suffultum Maximowicz | 
| Determination Remarks |  [label name] | 
| Annotation Text | Polygonum (Bistorta) suffultum n. sp. | 
| Sex | not determined | 
| Phenology | Flower | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |